Home / 1,605,932.55-2,216,197.85-880,785.45

Finding the Fourth Proportional to 1,605,932.55, 2,216,197.85 and 880,785.45

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Solution

The fourth proportional to 1,605,932.55, 2,216,197.85 and 880,785.45 is: 1,215,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,932.55 : 2,216,197.85 = 880,785.45 : x
  2. Step 2: Convert to fraction form
    1,605,932.55/2,216,197.85 = 880,785.45/x
  3. Step 3: Cross multiply
    1,605,932.55x = 2,216,197.85 × 880,785.45
  4. Step 4: Simplify right side
    1,605,932.55x = 1,951,994,816,197.36
  5. Step 5: Solve for x
    x = 1,951,994,816,197.36/1,605,932.55
  6. Step 6: Final answer
    x = 1,215,489.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.